avoid widget is disposed exception

diff --git a/eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/descriptive/e4/FactualDataPartE4.java b/eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/descriptive/e4/FactualDataPartE4.java
index 723d1668ee558fda1d4c0ca4e219b3d0767e35bb..ce1e3ec70731a8ee9aadd2f1355be9a8bc98d28c 100644 (file)
--- a/eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/descriptive/e4/FactualDataPartE4.java
+++ b/eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/descriptive/e4/FactualDataPartE4.java
@@ -194,13 +194,13 @@ public class FactualDataPartE4 extends AbstractCdmEditorPartE4
         Object[] expandedObjects = null;
         if (!viewer.getControl().isDisposed()){
             expandedObjects = ((TreeViewer)viewer).getExpandedElements();
         Object[] expandedObjects = null;
         if (!viewer.getControl().isDisposed()){
             expandedObjects = ((TreeViewer)viewer).getExpandedElements();

+        }else{
+            return;

         }
         for(FeatureNodeContainerTree containerTree : featureNodeContainerCache.values()){
             containerTree.buildTree();
         }
         }
         for(FeatureNodeContainerTree containerTree : featureNodeContainerCache.values()){
             containerTree.buildTree();
         }

-        if (featureNodeContainerCache.isEmpty()){
-//            return;
-        }
+

         viewer.refresh();
         super.changed(object);
         ((TreeViewer) viewer).setExpandedElements(expandedObjects);
         viewer.refresh();
         super.changed(object);
         ((TreeViewer) viewer).setExpandedElements(expandedObjects);